Brother Shang Yun Jewelry is from Sichuan. Brother Dong, full name Liu Chuandong, is from Sichuan. His father was a worker in the first generation of Tangke Jewelry Factory. He grew up in Tangke and is familiar with jewelry materials and production technology. He sold jewelry in Taobao Mall a few years ago. This year, he set up a company with his partners to seize the new opportunities in the industry and grow rapidly in Tik Tok in the mode of live delivery.